cheat sheetWiktionary 原文英美构词拆解cheat词干+sheet词干词源说明From cheat + sheet.释义名词noun1A sheet of paper (or a digital analogue thereof) containing notes used to assist (with or without permission) on a test; especially, such a sheet used secretly and improperly.2idiomaticAny summary or quick reference used as a shortcut or reminder, such as an aid for public speaking.